Example usage for io.netty.util CharsetUtil UTF_8

List of usage examples for io.netty.util CharsetUtil UTF_8

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Introduction

In this page you can find the example usage for io.netty.util CharsetUtil UTF_8.

Prototype

Charset UTF_8

To view the source code for io.netty.util CharsetUtil UTF_8.

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Document

8-bit UTF (UCS Transformation Format)

Usage

From source file:books.netty.protocol.file.FileServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from  w w w. jav a2  s  .c  om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).childHandler(new ChannelInitializer<SocketChannel>() {
                    /*
                     * (non-Javadoc)
                     *
                     * @see
                     * io.netty.channel.ChannelInitializer#initChannel(io
                     * .netty.channel.Channel)
                     */
                    public void initChannel(SocketChannel ch) {
                        ch.pipeline().addLast(new StringEncoder(CharsetUtil.UTF_8),
                                new LineBasedFrameDecoder(1024), new StringDecoder(CharsetUtil.UTF_8),
                                new FileServerHandler());
                    }
                });
        ChannelFuture f = b.bind(port).sync();
        System.out.println("Start file server at port : " + port);
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:books.netty.protocol.http.fileServer.HttpFileServerHandler.java

License:Apache License

private static void sendListing(ChannelHandlerContext ctx, File dir) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
    StringBuilder buf = new StringBuilder();
    String dirPath = dir.getPath();
    buf.append("<!DOCTYPE html>\r\n");
    buf.append("<html><head><title>");
    buf.append(dirPath);//from  ww w.  j a v  a2  s .  co  m
    buf.append(" ");
    buf.append("</title></head><body>\r\n");
    buf.append("<h3>");
    buf.append(dirPath).append(" ");
    buf.append("</h3>\r\n");
    buf.append("<ul>");
    buf.append("<li><a href=\"../\">..</a></li>\r\n");
    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }
        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }
        buf.append("<li><a href=\"");
        buf.append(name);
        buf.append("\">");
        buf.append(name);
        buf.append("</a></li>\r\n");
    }
    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:books.netty.protocol.http.fileServer.HttpFileServerHandler.java

License:Apache License

private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, status,
            Unpooled.copiedBuffer("Failure: " + status.toString() + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:books.netty.protocol.http.xml.server.HttpXmlServerHandler.java

License:Apache License

private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, status,
            Unpooled.copiedBuffer(": " + status.toString() + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:books.netty.protocol.udp.ChineseProverbClient.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/* w w w .  j a v  a 2s. co m*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new ChineseProverbClientHandler());
        Channel ch = b.bind(0).sync().channel();
        // ?UDP?
        ch.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("?", CharsetUtil.UTF_8),
                new InetSocketAddress("255.255.255.255", port))).sync();
        if (!ch.closeFuture().await(15000)) {
            System.out.println("!");
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:books.netty.protocol.udp.ChineseProverbClientHandler.java

License:Apache License

public void messageReceived(ChannelHandlerContext ctx, DatagramPacket msg) {
    String response = msg.content().toString(CharsetUtil.UTF_8);
    if (response.startsWith(": ")) {
        System.out.println(response);
        ctx.close();/*  w ww. ja  v  a  2  s  . c  om*/
    }
}

From source file:books.netty.protocol.udp.ChineseProverbServerHandler.java

License:Apache License

public void messageReceived(ChannelHandlerContext ctx, DatagramPacket packet) {
    String req = packet.content().toString(CharsetUtil.UTF_8);
    System.out.println(req);//from   ww  w.j a  v  a2  s  .c  om
    if ("?".equals(req)) {
        ctx.writeAndFlush(new DatagramPacket(
                Unpooled.copiedBuffer(": " + nextQuote(), CharsetUtil.UTF_8),
                packet.sender()));
    }
}

From source file:books.netty.protocol.websocket.server.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // /*from  w ww .  jav a  2 s. c om*/
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

    // ?Keep-Alive
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:brave.netty.http.TestHttpHandler.java

License:Apache License

private boolean writeResponse(HttpResponseStatus responseStatus, String content, ChannelHandlerContext ctx) {
    if (StringUtil.isNullOrEmpty(content)) {
        content = Unpooled.EMPTY_BUFFER.toString();
    }//from www  .  j a va  2s.  com
    // Decide whether to close the connection or not.
    boolean keepAlive = isKeepAlive(httpRequest);

    if (responseStatus == null) {
        responseStatus = httpRequest.getDecoderResult().isSuccess() ? OK : BAD_REQUEST;
    }
    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, responseStatus,
            Unpooled.copiedBuffer(content, CharsetUtil.UTF_8));

    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");

    if (keepAlive) {
        // Add 'Content-Length' header only for a keep-alive connection.
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
        // Add keep alive header as per:
        // - http://www.w3.org/Protocols/HTTP/1.1/draft-ietf-http-v11-spec-01.html#Connection
        response.headers().set(CONNECTION, Values.KEEP_ALIVE);
    }

    // Write the response.
    ctx.write(response);

    return keepAlive;
}

From source file:bzh.ygu.fun.chitchat.HttpChitChatServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;

        if (HttpHeaders.is100ContinueExpected(request)) {
            send100Continue(ctx);// www  .j  a va  2s. com
        }
        String uri = request.uri();
        HttpMethod method = request.method();
        Root root = Root.getInstance();
        buf.setLength(0);
        contentBuf.setLength(0);

        if (method == HttpMethod.POST) {
            if (uri.equals("/chitchat")) {

                currentAction = "Add";
            }
        }
        if (method == HttpMethod.GET) {
            if (uri.startsWith(LATEST)) {
                latestFromWho = decode(uri.substring(LATEST_SIZE));
                currentAction = "Latest";
                Message m = root.getLatest(latestFromWho);
                if (m != null) {
                    //{"author":"Iron Man", "text":"We have a Hulk !", "thread":3,"createdAt":1404736639715}
                    buf.append(m.toJSON());
                }
            }
            if (uri.startsWith(THREADCALL)) {
                currentAction = "Thread";
                String threadId = uri.substring(THREADCALL_SIZE);
                MessageThread mt = root.getMessageThread(threadId);
                if (mt != null) {
                    //{"author":"Iron Man", "text":"We have a Hulk !", "thread":3,"createdAt":1404736639715}
                    buf.append(mt.toJSON());
                }

            }
            if (uri.startsWith(SEARCH)) {
                String stringToSearch = decode(uri.substring(SEARCH_SIZE));
                currentAction = "search";
                List<Message> lm = root.search(stringToSearch);
                //[{"author":"Loki", "text":"I have an army !", "thread":3,
                //"createdAt":1404736639710}, {"author":"Iron Man", "text":"We have a Hulk !",
                //   "thread":3, "createdAt":1404736639715}]
                buf.append("[");
                if (!lm.isEmpty()) {
                    Iterator<Message> it = lm.iterator();
                    Message m = it.next();
                    buf.append(m.toJSON());
                    while (it.hasNext()) {
                        m = it.next();
                        buf.append(", ");
                        buf.append(m.toJSON());
                    }
                }

                buf.append("]");
            }
        }
    }

    if (msg instanceof HttpContent) {
        Root root = Root.getInstance();
        HttpContent httpContent = (HttpContent) msg;

        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            contentBuf.append(content.toString(CharsetUtil.UTF_8));
        }

        if (msg instanceof LastHttpContent) {
            //                buf.append("END OF CONTENT\r\n");
            if (currentAction.equals("Add")) {
                addMessageFromContent(contentBuf.toString(), root);
                currentAction = "None";
            }
            LastHttpContent trailer = (LastHttpContent) msg;

            if (!writeResponse(trailer, ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
        }
    }
}